It’s official. Japan’s Nippon Steel has finalized its $14.9 billion takeover of U.S. Steel. The companies making the announcement Wednesday morning. In addition, the companies have entered into a national security agreement with the federal government to mitigate concerns about a Japanese company having control over a domestic steelmaker. Nippon has committed to investing some $11 billion in U.S. Steel facilities by 2028 and keeping its headquarters in Pittsburgh. The federal government will have a so-called “golden share” in the company giving the president veto power over some matters, including reductions in capital investments, relocating its headquarters, transferring jobs outside the country and closing existing facilities.